memories of them endure in the marbled walls of washington and in the tender hearts of the children they leave behind. there is a place that can help heal those hearts. jeff pegues talked to some of the children who go there. >> your memories of your dad, what will they be? >> that he was cool. reporter: ian's father died a hero. 34-year-old michael crain, a veteran riverside california police officer was gunned down in february by ex-l.a. cop christopher dorner, a man with a vendetta against the l.a.p.d. >> i wish this wouldn't happen to anyone else. >> reporter: ian has come to a place called cops camp where the mission is to give the children of fallen officers the help they need to rebuild their lives. this ten-year-old's wounds are still fresh. >> when it comes to your dad and dealing with your loss, what are you looking for? >> happiness. reporter: what do you mean? i'm never happy anymore. reporter: there are 137 other children at the camp in various stages of living with their grief. >> five bad guys behind my dad. in back of him and in front of him. and then they shot him nine t